State Route 79 over Sweetwater River
GoodSan Diego County, California · 11-SD-079-4.97 · Structure no. 57 0056
- Built
- 1949
- 76 years old
- Condition
- Good
- inspected July 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 180 ft
- 5 main spans
- Daily traffic
- 3,200
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 79 over Sweetwater River is a concrete continuous tee beam carrying State Route 79 over Sweetwater River in San Diego County, California. It was built in 1949, so it is 76 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 3,200 vehicles a day, roughly 8% of them trucks, projected to reach 5,400 by 2045. The structure is 180 ft (54.9 m) long and 30 ft wide. If it were closed, the detour would be 44.7 mi (72 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 79 over Sweetwater River built?
It was built in 1949, making it 76 years old in 2025.
What condition is State Route 79 over Sweetwater River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.
How much traffic does State Route 79 over Sweetwater River carry?
About 3,200 vehicles per day (2020 count), of which roughly 8% are trucks.
How long is State Route 79 over Sweetwater River?
The structure is 180 ft (54.9 m) long with a longest span of 52 ft (15.8 m) and a deck 30 ft wide.
Who owns State Route 79 over Sweetwater River?
It is owned by the State Highway Agency.